Monday, February 16, 2009

Grade 7 Science Test

Monday Feb 23
Test - Solutions

Review Terms

  • Solute, Solvent
  • Dissolve, Soluble
  • Undissolved, Insoluble
  • Dilute, Concentrated
  • Distillation, Desalination
  • Hard and Soft Water

Review Content

  • Particle Theory
  1. particles attract
  2. particles are always moving
  3. particles at higher temps move faster then particles at lower temps.
  • Universal solvent
  • Dissolved salts
  • Other dissolved substances
  • Undissolved materials
  • Dissolved gases
  • Movement of particles
  1. gas - fast = less dense
  2. liquid - medium = moderate density
  3. solid - slow = most dense

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